UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Paid-in Capital	Accumulated deficit	Total IMH Financial Corporation Stockholders' Equity (Deficit)	Non-controlling Interest
Beginning Balances (in shares) at Dec. 31, 2017		18,079,522	(1,826,096)
Beginning Balances at Dec. 31, 2017	$ 35,811	$ 181	$ (6,286)	$ 714,889	$ (679,535)	$ 29,249	$ 6,562
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(3,794)				(3,704)	(3,704)	(90)
Contributions from Hotel Fund investors	3,485						3,485
Distributions to Hotel Fund investors	(20)						(20)
Hotel Fund syndication costs	(51)			(51)		(51)
Stock warrant and equity cost accretion	688			688		688
Cash dividends on Series B redeemable convertible preferred stock	(592)			(592)		(592)
Deemed dividend on Series B redeemable convertible preferred stock	(817)			(817)		(817)
Stock-based compensation (in shares)		438,161
Stock-based compensation	100	$ 4		96		100
Ending Balances (in shares) at Mar. 31, 2018		18,517,683	(1,826,096)
Ending Balances at Mar. 31, 2018	34,810	$ 185	$ (6,286)	714,213	(683,239)	24,873	9,937
Beginning Balances (in shares) at Dec. 31, 2017		18,079,522	(1,826,096)
Beginning Balances at Dec. 31, 2017	35,811	$ 181	$ (6,286)	714,889	(679,535)	29,249	6,562
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(6,408)
Profit participation distribution to non-controlling interests	(1,939)
Ending Balances (in shares) at Sep. 30, 2018		18,596,774	(1,870,164)
Ending Balances at Sep. 30, 2018	32,762	$ 186	$ (6,286)	710,572	(686,933)	17,539	15,223
Beginning Balances (in shares) at Mar. 31, 2018		18,517,683	(1,826,096)
Beginning Balances at Mar. 31, 2018	34,810	$ 185	$ (6,286)	714,213	(683,239)	24,873	9,937
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,499)				(2,474)	(2,474)	(25)
Contributions from Hotel Fund investors	1,335						1,335
Distributions to Hotel Fund investors	(80)						(80)
Hotel Fund syndication costs	(35)			(35)		(35)
Cash dividends on Series B redeemable convertible preferred stock	(647)			(647)		(647)
Deemed dividend on Series B redeemable convertible preferred stock	(914)			(914)		(914)
Cash dividends on Series A redeemable preferred stock	(142)			(142)		(142)
Stock-based compensation (in shares)		79,091
Stock-based compensation	77			77		77
Treasury stock repurchase (in shares)			44,068
Treasury stock repurchase	0
Ending Balances (in shares) at Jun. 30, 2018		18,596,774	(1,870,164)
Ending Balances at Jun. 30, 2018	31,905	$ 185	$ (6,286)	712,552	(685,713)	20,738	11,167
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(115)				(1,220)	(1,220)	1,105
Contributions from Hotel Fund investors	4,995						4,995
Distributions to Hotel Fund investors	(105)						(105)
Hotel Fund syndication costs	(1)			(1)		(1)
Stock warrant and equity cost accretion	(107)			(107)		(107)
Cash dividends on Series B redeemable convertible preferred stock	(655)			(655)		(655)
Profit participation distribution to non-controlling interests	(1,939)						(1,939)
Deemed dividend on Series B redeemable convertible preferred stock	(920)			(920)		(920)
Cash dividends on Series A redeemable preferred stock	(427)			(427)		(427)
Stock-based compensation (in shares)		0
Stock-based compensation	131	$ 1		130		131
Ending Balances (in shares) at Sep. 30, 2018		18,596,774	(1,870,164)
Ending Balances at Sep. 30, 2018	32,762	$ 186	$ (6,286)	710,572	(686,933)	17,539	15,223
Beginning Balances (in shares) at Dec. 31, 2018		18,596,774	(1,870,164)
Beginning Balances at Dec. 31, 2018	29,163	$ 186	$ (6,286)	708,523	(692,876)	9,547	19,616
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(5,013)				(5,136)	(5,136)	123
Contributions from Hotel Fund investors	3,520						3,520
Distributions to Hotel Fund investors	(266)						(266)
Hotel Fund syndication costs	(12)			(12)		(12)
Stock warrant and equity cost accretion	(70)			(70)		(70)
Cash dividends on Series B redeemable convertible preferred stock	(641)			(641)		(641)
Deemed dividend on Series B redeemable convertible preferred stock	(936)			(936)		(936)
Cash dividends on Series A redeemable preferred stock	(412)			(412)		(412)
Stock-based compensation (in shares)		112,304
Stock-based compensation	117	$ 1		116		117
Treasury stock repurchase (in shares)			500,000
Treasury stock repurchase	(1,000)		$ (1,000)			(1,000)
Ending Balances (in shares) at Mar. 31, 2019		18,709,078	(2,370,164)
Ending Balances at Mar. 31, 2019	24,450	$ 187	$ (7,286)	706,568	(698,012)	1,457	22,993
Beginning Balances (in shares) at Dec. 31, 2018		18,596,774	(1,870,164)
Beginning Balances at Dec. 31, 2018	29,163	$ 186	$ (6,286)	708,523	(692,876)	9,547	19,616
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(16,673)
Profit participation distribution to non-controlling interests	$ 0
Stock-based compensation (in shares)	332,722
Ending Balances (in shares) at Sep. 30, 2019		18,929,496	(2,370,181)
Ending Balances at Sep. 30, 2019	$ 10,078	$ 189	$ (7,286)	703,813	(710,885)	(14,169)	24,247
Beginning Balances (in shares) at Mar. 31, 2019		18,709,078	(2,370,164)
Beginning Balances at Mar. 31, 2019	24,450	$ 187	$ (7,286)	706,568	(698,012)	1,457	22,993
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(4,070)				(4,388)	(4,388)	318
Contributions from Hotel Fund investors	3,998						3,998
Distributions to Hotel Fund investors	(344)						(344)
Hotel Fund syndication costs	(36)			(36)		(36)
Stock warrant and equity cost accretion	(31)			(31)		(31)
Cash dividends on Series B redeemable convertible preferred stock	(648)			(648)		(648)
Deemed dividend on Series B redeemable convertible preferred stock	(954)			(954)		(954)
Cash dividends on Series A redeemable preferred stock	(417)			(417)		(417)
Stock-based compensation (in shares)		83,734
Stock-based compensation	76	$ 1		75		76
Ending Balances (in shares) at Jun. 30, 2019		18,792,812	(2,370,164)
Ending Balances at Jun. 30, 2019	22,024	$ 188	$ (7,286)	704,557	(702,400)	(4,941)	26,965
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(7,592)				(8,485)	(8,485)	893
Reclassification of profit participation to liability	(463)						(463)
Acquisition of non-controlling interests	(1,607)			1,146		1,146	(2,753)
Distributions to Hotel Fund investors	(395)						(395)
Stock warrant and equity cost accretion	(52)			(52)		(52)
Cash dividends on Series B redeemable convertible preferred stock	(1,320)			(1,320)		(1,320)
Deemed dividend on Series B redeemable convertible preferred stock	(366)			(366)		(366)
Cash dividends on Series A redeemable preferred stock	(422)			(422)		(422)
Stock-based compensation (in shares)		136,684
Stock-based compensation	271	$ 1		270		271
Treasury stock repurchase (in shares)			17
Treasury stock repurchase	0
Ending Balances (in shares) at Sep. 30, 2019		18,929,496	(2,370,181)
Ending Balances at Sep. 30, 2019	$ 10,078	$ 189	$ (7,286)	$ 703,813	$ (710,885)	$ (14,169)	$ 24,247